CVE Vulnerabilities

CVE-2023-22839

NULL Pointer Dereference

Published: Feb 01, 2023 | Modified: Nov 07, 2023
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

On BIG-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x before 14.1.5.3, and all version of 13.1.x, when a DNS profile with the Rapid Response Mode setting enabled is configured on a virtual server with hardware SYN cookies enabled, undisclosed requests cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Big-ip_local_traffic_manager F5 13.1.0 13.1.5
Big-ip_domain_name_system F5 13.1.0 13.1.5
Big-ip_domain_name_system F5 15.1.0 *
Big-ip_local_traffic_manager F5 15.1.0 *
Big-ip_domain_name_system F5 17.0.0 *
Big-ip_local_traffic_manager F5 17.0.0 *
Big-ip_local_traffic_manager F5 14.1.0 *
Big-ip_domain_name_system F5 14.1.0 *
Big-ip_domain_name_system F5 16.1.0 *
Big-ip_local_traffic_manager F5 16.1.0 *

Potential Mitigations

References